example-3-2.js

function buildConsole(data) {
	var html = "";
	
	html += "<div id=\"country-selector\" class=\"console-element\">";
	for (var i = 0; i < data.length; i++) {
		html += "<div style=\"width: 150px; float: left;\">";
		html += "<input name=\"countries\" id=\"country-selector-" + data[i][0] + "\" type=\"checkbox\" ";
		if (i == 0) {
			html += "checked"; // set the first country to checked to provide some default data for the graphs
		}
		html += " value=\"" + data[i][0] + "\" /> ";
		html += data[i][0];
		html += "</div>";
	}
	html += "</div>";
 
	$('#console').html(html);	
	
}

function getCountries() {
	var elements = $("input:checkbox[name=countries]:checked");
	var countries = [];
 
	$.each(elements, function () {
		countries.push($(this).val());
	});
 
	return countries;
}